This part of BS 6073 specifies materials, tolerances and minimum performance levels for precast concrete masonry units. It covers solid (including autoclaved aerated concrete), cellular and hollow units not exceeding 650 mm in any work size dimension. Units in which the height1) exceeds the length or six times the thickness are outside the scope of this standard. Precast concrete paving blocks are outside the scope of this standard. NOTE Reconstructed stone masonry units are covered by BS 6457.
BS 6073-1-1981由英国标准学会 GB-BSI 发布于 1981-07-31,并于 1981-07-31 实施。
BS 6073-1-1981 在中国标准分类中归属于: Q14 混凝土制品,在国际标准分类中归属于: 91.100.30 混凝土和混凝土制品。
BS 6073-1-1981 预制混凝土圬工砌筑单元.规范 于 2004-03-17 变更为 BS EN 771-3-2003 砌块规范.集料混凝土砌块(密实和轻质集料)。
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